EP3153619A1 - Machine pour traiter des produits textiles - Google Patents

Machine pour traiter des produits textiles Download PDF

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Publication number
EP3153619A1
EP3153619A1 EP16192955.9A EP16192955A EP3153619A1 EP 3153619 A1 EP3153619 A1 EP 3153619A1 EP 16192955 A EP16192955 A EP 16192955A EP 3153619 A1 EP3153619 A1 EP 3153619A1
Authority
EP
European Patent Office
Prior art keywords
fabric
machine
covering
drum
covering panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16192955.9A
Other languages
German (de)
English (en)
Other versions
EP3153619B1 (fr
Inventor
Bruno Scortegagna
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lafer SpA
Original Assignee
Lafer SpA
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Publication date
Application filed by Lafer SpA filed Critical Lafer SpA
Publication of EP3153619A1 publication Critical patent/EP3153619A1/fr
Application granted granted Critical
Publication of EP3153619B1 publication Critical patent/EP3153619B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics

Definitions

  • the present invention concerns a machine for treating textile goods, or simply fabrics, made of fiber for example, whether natural fiber such as cotton, wool, silk, or synthetic fiber, or mixed.
  • treatment we mean in general, and without any limitation, a finishing treatment such as teaseling and/or emerizing.
  • machines which perform a finishing treatment, for example and in particular, emerizing and/or teaseling, in which the fabric winds on a rotary drum, which has on its circumference a plurality of operating cylinders, also rotating.
  • Each of the operating cylinders is normally covered by a covering, or packing, which can consist of abrasive paper, linen-faced and/or rubber-faced strip, felt, or covered by inclined metal points, or other.
  • the packings are intended to perform known and typical functions on the fabric.
  • the efficacy of the finishing treatment is also evaluated according to the uniformity of the result between the center and the sides in the direction of the width of the fabric.
  • finishing treatments performed on the fabrics can accentuate such defects, making the final result unsatisfactory, with an obvious difference in the treatment on the width of the fabric. If the finishing treatment is performed in the same way and simultaneously over the whole surface of the fabric, these defects are evident.
  • in the same way we mean that the contact between the fabric and the operating cylinders is the same along the whole extension in width of the fabric.
  • EP 0.945.541 describes a machine for the finishing treatment of fabrics, having drawing cylinders which have a specific shaping able to make the finishing treatment uniform over the whole width of the fabric, in particular between the center and the sides, differentiating the winding angle, that is, the contact, of the fabric on the drum.
  • EP'541 can be applied only for a limited range of fabrics.
  • it is acceptably effective if the tension at the center of the fabric is less than the tension present at the sides, or vice versa, but not in the case of other differences in the fabric on its width.
  • One purpose of the present invention is to obtain a machine for finishing treatments which allows to work fabrics having different tension defects of the thread, distributed non-homogeneously on the width of the fabric and at the same time guaranteeing uniform working.
  • Another purpose is to allow to adapt the differentiation of the finishing treatment to different types of defects without requiring long re-fitting times of the machine and without entailing long downtimes.
  • Another purpose is to obtain a machine for finishing treatment able to perform, also continuously, that is, with the fabric drawn in on the machine, an adjustment of the winding angle during the feed of the fabric in the machine.
  • the Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain these and other purposes and advantages.
  • a machine for treating textile goods, or fabrics comprises a drum which has on its circumference a plurality of operating cylinders, also rotating.
  • the teaseling cylinders are lined with a hooked packing formed by little needles protruding from the surface of the cylinder and suitable to remove the fluff from the advancing fabric.
  • the emerizing cylinders are typically lined with abrasive material, such as abrasive or rough paper or suchlike.
  • the rotating drum cooperates in a known manner with at least a first drawing cylinder at entrance and at least a first drawing cylinder at exit, suitable to maintain and/or adjust the correct winding tension of the fabric on the drum.
  • the drum in the direction of feed of the fabric, is at least partly covered by covering means, starting from the zone where the cooperation between the fabric and drum begins, that is, between fabric and operating cylinders.
  • the covering means have an operating position interposed between the fabric and the active surfaces of the operating cylinders, so as to selectively prevent contact, and hence the action, of the operating cylinders on the surface of the fabric to be worked.
  • the covering means are suitably shaped so as to have a conformation and amplitude directly connected to the lack of uniformity of the fabric, and intended to manage the fabric in a differentiated manner along the line substantially orthogonal to the direction of feed of the fabric.
  • the drum and in particular the operating cylinders act on the fabric only in certain zones of the width of the fabric, where the covering means are absent, and only afterward do the other zones of the fabric become affected by the action of the teaseling or emerizing cylinders.
  • the finishing operation can also be programmed in its action which can remain fixed during the advance of the whole fabric, or modified during the feed.
  • the finishing operation can be modified dynamically during the feed of the fabric.
  • the point-by-point variation of a contact zone of the various zones of the advancing fabric can be associated with sensor means that sense and/or detect the condition of the various transverse zones of the fabric, for example before the fabric begins to cooperate directly with a circumferential position of the drum.
  • the covering means are configured so that they operate on at least a circumferential position of the drum.
  • the covering means are made by at least one covering panel.
  • the covering panel has an initial position, or position where it waits for the fabric, connected to one or more positioning means disposed near the entrance of the fabric onto the drum, a fabric accompanying position in which the covering panel is made to advance for a certain segment, moving to interpose itself between the fabric and the active surface of the operating cylinders, and a selective covering position in which, having reached the correct position, it is clamped in its advance by driving the respective positioning mean, thus defining the correct stable position in which it determines the selective action of the teaseling or emerizing cylinders on the fabric.
  • the covering means have the front terminal part shaped in a specialized way, suitable to selectively prevent the cooperation of the fabric with the drum, the conformation of the front terminal part of the covering means being coordinated on each occasion with forms connected to the requirements of the fabric.
  • two or more covering panels are provided, the front terminal parts of which have specialized shapes.
  • the positioning of the covering means occurs automatically on instructions either from the operator or detection means that detect the point-by-point position of the fabric.
  • This positioning can affect basic covering means or also auxiliary and complementary covering means. In this way it is possible to intercept all the variables of the defects that occur in the fabrics.
  • the present invention also provides a method for the finishing treatment of fabrics using the above machine.
  • the invention concerns a machine 10 for the finishing treatment of a textile product, or fabric 11.
  • the machine 10 is suitable for example to perform emerizing and/or teaseling on the fabric 11 and comprises, in a known manner, a rotary drum 12 that rotates in relation to a direction of feed F of the fabric 11.
  • Each of the operating cylinders 13 is lined, in a known manner, with a packing or abrasive paper 15, characteristic for the type of finishing treatment to be made on the fabric 11.
  • the machine 10 in a known manner, has at least a first drawing cylinder at entrance 16a and at least a first drawing cylinder at exit 17a, between which the fabric 11 is kept under tension while it cooperates with the periphery of the drum 12.
  • the machine 10 has a first drawing cylinder at entrance 16a and a second drawing cylinder at entrance 16b to the drum 12.
  • detection means 25 which are able to control the conditions of the fabric 11, either in certain zones thereof, or along the whole transverse zone, orthogonal to the direction of feed F of the fabric 11.
  • the detection means 25 can be associated with a processing and command unit 26 configured to act on the position of the covering means 20.
  • the drawing cylinders 16a, 16b, 17a, 17b have known longitudinal profiles.
  • the machine 10 has a first drawing cylinder at exit 17a and a second drawing cylinder at exit 17b from the drum 12.
  • the disposition of the first drawing cylinders 16a and 17a determines a winding angle ⁇ of the fabric 11 around the drum 12.
  • the machine 10 comprises a device 19 to adjust a contact zone 23 between the fabric 11 and the operating cylinders 13.
  • the devices 19 to adjust a contact zone 23 can be pre-set, that is, positioned on each occasion by the operator, or automatically depending on the instructions supplied by the processing and command unit 26.
  • the start of the contact zone 23, transverse of the fabric 11 on the drum 12, thanks to the adjustment device 19, can therefore be determined so as to meet every requirement of the fabric 11.
  • the adjustment device 19 drives covering means 20, positionable according to needs along the circumference of the drum 12.
  • the covering means 20 are suitable to be interposed during use in at least an axial zone of the drum 12, in at least a circumferential position of the drum 12 with respect to the fabric 11.
  • the covering means 20 can provide one or more covering panels 24 that move parallel to each other and longitudinal to the fabric 11.
  • the covering panels 24 can be adjacent and/or overlapping totally or partly.
  • the covering panels 24 are therefore able to define contact zones 23, and noncontact zones, both linear and also shaped of various type.
  • the shaped panel 24 according to the invention can be made of thin and flexible foil, of plastic or textile material, or any other material resistant to the wear generated by the contact with the packings or abrasive paper 15 of the operating cylinders 13.
  • the adjustment device 19 comprises at least a positioning mean 21, advantageously at least two positioning means 21, which serve to move and position the covering panels 24.
  • each positioning mean 21 is an unwinding cylinder.
  • Each positioning mean 21 is configured to be driven by a drive member 22 in an independent and controlled manner that can be managed by the processing and command unit 26.
  • sensor means 27 can be provided, configured to detect and control the front position of the covering panels 24.
  • the sensor means 27 are configured to cooperate with the processing and command unit 26.
  • two positioning means 21 are shown by way of example, configured coaxial with each other, each having covering means 20 and driven in an independent and controlled manner.
  • the adjustment device 19 has more than two positioning means 21 which can be disposed in a differentiated and non-interfering manner, for example two positioning means 21 coaxial with respect to each other, and another one or more disposed non-interfering with the first two positioning means 21 and able to control the position of auxiliary covering panels 24b that integrate base covering panels 24a.
  • the drive member 22 allows to position the covering means 20 along the direction of feed F of the fabric 11 to increase or decrease the extension of the contact zone 23 and hence improve, point-by-point, the finishing treatment of the fabric 11.
  • the covering means 20 are configured in correspondence with the front terminal end, that is, in their most downstream extension, to respond better to the treatment requirements of the fabric 11 in the transverse zone managed by each of them.
  • the front terminal end of the covering means 20 can be oblique or parallel or shaped with respect to the line orthogonal to the direction of feed F.
  • the adjustment device 19 can comprise two covering panels 24 configured with the front terminal end substantially oblique, to obtain a diverging covering mean 20.
  • the contact zone 23 is suitable for teaseling fabrics 11 with a greater tension of the warp threads at the center than the tension at the sides, near the edges or selvedges of the fabric 11.
  • the contact zone 23 is also suitable for emerizing fabrics 11 with a lesser tension of the warp threads at the center than the tension at the sides, near the edges or selvedges of the fabric 11.
  • the adjustment device 19 can comprise two covering panels 24 configured with the front terminal end substantially oblique, to obtain a converging covering mean 20.
  • the contact zone 23 is suitable for teaseling fabrics 11 with a lesser tension of the warp threads at the center than the tension at the sides.
  • the contact zone 23 is also suitable for emerizing fabrics 11 with a greater tension of the warp threads at the center than the tension at the sides, near the edges or selvedges of the fabric 11.
  • the adjustment device 19 can comprise two covering panels 24 configured with the front terminal end substantially parallel, to obtain a staggered covering mean 20.
  • the contact zone 23 is particularly suitable for finishing treatment of fabrics 11 with different tensions between the right part and the left part of an imaginary axis of symmetry of the fabric 11.
  • the winding angle ⁇ of the covering means 20 can also be varied dynamically, that is, at any moment with the machine 10 working during the finishing treatment of the fabric 11.
  • the dynamic adjustment of the winding angle ⁇ of the covering means 20 can be carried out according to the defects detected on the fabric 11, detected upstream of the machine 10 by detection means 25 configured to detect the transverse situation, for example optical scanners, photocells, X-ray optical readers.
  • the present invention also concerns a method for treating textile goods by means of a machine 10 as described above, which provides to:

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
EP16192955.9A 2015-10-09 2016-10-07 Machine pour traiter des produits textiles Active EP3153619B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2015A004285A ITUB20154285A1 (it) 2015-10-09 2015-10-09 Macchina per il trattamento di prodotti tessili

Publications (2)

Publication Number Publication Date
EP3153619A1 true EP3153619A1 (fr) 2017-04-12
EP3153619B1 EP3153619B1 (fr) 2018-05-02

Family

ID=55173913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16192955.9A Active EP3153619B1 (fr) 2015-10-09 2016-10-07 Machine pour traiter des produits textiles

Country Status (3)

Country Link
EP (1) EP3153619B1 (fr)
IT (1) ITUB20154285A1 (fr)
TR (1) TR201809042T4 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4803761A (en) * 1985-11-16 1989-02-14 Leo Sistig Kg Process for regulating the cloth tension on cylinder napping machines
EP0945541A2 (fr) 1998-03-25 1999-09-29 LAFER SpA Dispositif pour le grattage uniforme du centre et des lisières d'une étoffe textile
US6397441B1 (en) * 1997-10-08 2002-06-04 Tintoria Rifinizione Nuove Idee S.P.A. Teaseling machine comprising a system for adjusting the path of the fabric that is being processed

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4803761A (en) * 1985-11-16 1989-02-14 Leo Sistig Kg Process for regulating the cloth tension on cylinder napping machines
US6397441B1 (en) * 1997-10-08 2002-06-04 Tintoria Rifinizione Nuove Idee S.P.A. Teaseling machine comprising a system for adjusting the path of the fabric that is being processed
EP0945541A2 (fr) 1998-03-25 1999-09-29 LAFER SpA Dispositif pour le grattage uniforme du centre et des lisières d'une étoffe textile

Also Published As

Publication number Publication date
EP3153619B1 (fr) 2018-05-02
TR201809042T4 (tr) 2018-07-23
ITUB20154285A1 (it) 2017-04-09

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